If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
In one day, adult lungs move about 10,000 litres of air.
11
There are about 1,400 different species of bacteria in your belly button.
10
There's 100 trillion good bacteria living in your body.
17
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
If you hold farts in during the day, they'll just come out when you sleep.
16
Within three days of death, the enzymes that once digested your food begin to eat you.
22